Logic Circuit in Static Relay: The concept of Logic Circuit in Static Relay can be better understood by considering the logic operations performed by the devices rather than the actual…
Field Effect Transistor in Static Relay: Field Effect Transistor in Static Relay is a unipolar device as compared to bipolar transistor already discussed. It consists of a bar of semiconductor…
Transistor Use in Static Relay: Transistor Use in Static Relay - In its simplest form, it consists of two pn junction diodes coupled together by a very thin common base,…
Miscellaneous Devices Articles: Voltage Variable Capacitors: VVC Operation – Voltage Variable Capacitors diodes (VVCs) are also known as variÂcaps, varactors, and as tuning diodes. Basically, a Voltage Variable Capacitors is…
Thyristors Articles: Silicon Controlled Rectifier Principle Operation: Silicon Controlled Rectifier Principle Operation (SCR) consists of four layers of semiconductor material, alternately p-type and n-type as illustrated in Fig. 19-1(a). Because…
Voltage Variable Capacitors: VVC Operation - Voltage Variable Capacitors diodes (VVCs) are also known as variÂcaps, varactors, and as tuning diodes. Basically, a Voltage Variable Capacitors is a reverse biased…
Photodarlington Working: The Photodarlington Working shown in (Fig. 20-33) consists of a phototransistor connected in Darlington arrangement with another transistor. This device is capable of producing much higher output currents…
UJT Circuit Diagram: UJT Circuit Diagram Operation : The Unijunction transistor (UJT) consists of a bar of lightly-doped n-type silicon with a block of p-type material on one side, [see…